[all-commits] [llvm/llvm-project] 34b21e: [RISCV] Use OS-specific stack-guard ABI for Fuchsia

[Roland McGrath via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 34b21e817f19cebad4e0ae770b5d8ca4fd0ff21b
      https://github.com/llvm/llvm-project/commit/34b21e817f19cebad4e0ae770b5d8ca4fd0ff21b
  Author: Roland McGrath <mcgrathr at google.com>
  Date:   2023-02-05 (Sun, 05 Feb 2023)

  Changed paths:
    M llvm/lib/Target/RISCV/RISCVISelLowering.cpp
    M llvm/lib/Target/RISCV/RISCVISelLowering.h
    M llvm/lib/Target/RISCV/RISCVSubtarget.h
    A llvm/test/CodeGen/RISCV/stack-protector-target.ll

  Log Message:
  -----------
  [RISCV] Use OS-specific stack-guard ABI for Fuchsia

Fuchsia provides a slot relative to tp for the stack-guard value,
which is cheaper to materialize than the default GOT load.

Reviewed By: phosek

Differential Revision: https://reviews.llvm.org/D143353